TM3DI8A_Schenider_PRODUCT_吉林易择科技技术发展有限公司

The Schneider Electric TM3DI8A is an 8-channel, standard 24 V DC digital (discrete) input module belonging to the Modicon TM3 modular I/O system. It acts as a fundamental building block for machine automation, providing a reliable and compact interface to connect switches, sensors (e.g., proximity sensors, photoelectric sensors), pushbuttons, and other 24 V DC field devices to a TM3-compatible programmable logic controller (PLC), such as the Modicon M221, M241, or M251 series.

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DESCRIBE

Parameters Parameter Specification Product Range Modicon TM3 Modular I/O System Module Type Digital Input Module Commercial Reference TM3DI8A Number of Channels 8 Input Type Sink/Source (PNP/NPN) compatible Nominal Input Voltage 24 V DC (SELV / PELV) Voltage Range 19.2 V DC to 30 V DC "1" Signal Level ≥ 15 V DC (at 3 mA typical) "0" Signal Level ≤ 5 V DC Input Current Typically 3 mA per point at 24 V DC Input Impedance Approximately 6.8 kΩ Filtering Time Configurable per channel: 1 ms, 3 ms, 5 ms, or 10 ms Isolation 500 V AC between field side and bus side; channels are not isolated from each other. Connection Removable screw terminal block (one common terminal per 4 points). Diagnostic LEDs Green LED per channel (indicates "ON" state). Module I/O LED (indicates power and communication status). Bus Interface TM3 bus via connection to a TM3 base module (e.g., TM3XB). Power Consumption From 5V bus: 45 mA (typical). From 24V field supply: depends on connected sensors. Operating Temperature -20°C to +60°C Storage Temperature -25°C to +70°C Relative Humidity 10% to 95% (non-condensing) Standards & Certifications CE, UL, cUL, RoHS compliant.

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